Weekly Challenge #4
Primary: Recreate the Apollo 7 mission (fly to Kerbin orbit then return to Kerbin)
Stretch: Recreate the Apollo 8 mission (fly to Mun orbit, then return to Kerbin)
Jeb level: Recreate the Apollo 11 mission (fly to the Mun, land a crew, return that crew to Kerbin)
Val level: Recreate your favorite rocket (either planned or fictional), land a crew on Duna and return them to Kerbin